/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ "use strict"; const {interfaces: Ci, utils: Cu} = Components; this.EXPORTED_SYMBOLS = ["Windows8WindowFrameColor"]; Cu.import("resource://gre/modules/Services.jsm"); Cu.import("resource://gre/modules/XPCOMUtils.jsm"); var Registry = Cu.import("resource://gre/modules/WindowsRegistry.jsm").WindowsRegistry; var Windows8WindowFrameColor = { _windowFrameColor: null, get: function() { if (this._windowFrameColor) return this._windowFrameColor; const HKCU = Ci.nsIWindowsRegKey.ROOT_KEY_CURRENT_USER; const dwmKey = "Software\\Microsoft\\Windows\\DWM"; let customizationColor = Registry.readRegKey(HKCU, dwmKey, "ColorizationColor"); if (customizationColor == undefined) { // Seems to be the default color (hardcoded because of bug 1065998) return [158, 158, 158]; } // The color returned from the Registry is in decimal form. let customizationColorHex = customizationColor.toString(16); // Zero-pad the number just to make sure that it is 8 digits. customizationColorHex = ("00000000" + customizationColorHex).substr(-8); let customizationColorArray = customizationColorHex.match(/../g); let [unused, fgR, fgG, fgB] = customizationColorArray.map(val => parseInt(val, 16)); let colorizationColorBalance = Registry.readRegKey(HKCU, dwmKey, "ColorizationColorBalance"); if (colorizationColorBalance == undefined) { colorizationColorBalance = 78; } // Window frame base color when Color Intensity is at 0, see bug 1004576. let frameBaseColor = 217; let alpha = colorizationColorBalance / 100; // Alpha-blend the foreground color with the frame base color. let r = Math.round(fgR * alpha + frameBaseColor * (1 - alpha)); let g = Math.round(fgG * alpha + frameBaseColor * (1 - alpha)); let b = Math.round(fgB * alpha + frameBaseColor * (1 - alpha)); return this._windowFrameColor = [r, g, b]; }, };